11985453 has 12 divisors (see below), whose sum is σ = 17371068. Its totient is φ = 7963200.

The previous prime is 11985451. The next prime is 11985469. The reversal of 11985453 is 35458911.

It can be written as a sum of positive squares in 2 ways, for example, as 675684 + 11309769 = 822^2 + 3363^2 .

It is not a de Polignac number, because 11985453 - 2¹ = 11985451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11985451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 753 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (1447589).

Almost surely, 2^11985453 is an apocalyptic number.

It is an amenable number.

11985453 is a deficient number, since it is larger than the sum of its proper divisors (5385615).

11985453 is a wasteful number, since it uses less digits than its factorization.

11985453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524 (or 4521 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 11985453 is about 3462.0012998264. The cubic root of 11985453 is about 228.8502991135.

The spelling of 11985453 in words is "eleven million, nine hundred eighty-five thousand, four hundred fifty-three".